Earring



FIG. 1 is a front elevational view thereof of an earring showing my new design;

FIG. 2 is a rear elevational view thereof, the broken line showing of a nut being for illustrative purposes only;

FIG. 3 is a left side elevational view thereof; the right side being a mirror image;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an earring, substantially as shown and described. 